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Finding the Fourth Proportional to 130,752.56, 196,211.72 and 55,873.22

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Solution

The fourth proportional to 130,752.56, 196,211.72 and 55,873.22 is: 83,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,752.56 : 196,211.72 = 55,873.22 : x
  2. Step 2: Convert to fraction form
    130,752.56/196,211.72 = 55,873.22/x
  3. Step 3: Cross multiply
    130,752.56x = 196,211.72 × 55,873.22
  4. Step 4: Simplify right side
    130,752.56x = 10,962,980,598.14
  5. Step 5: Solve for x
    x = 10,962,980,598.14/130,752.56
  6. Step 6: Final answer
    x = 83,845.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.